Color Coated Ppgi Aluminum Steel Coil Corrugated Zinc Roofing Sheet 420J1 3mm

Production Process
1. raw material steel coil
2. cold rolled steel coil
3. Zinc or Alu-Zinc coating
4. annealing
5. color coated steel coil
6. packing

Features

1. Anti-corrosion and moisture-proof construction convenience

2. Good ductility and strong moisture-proof function.

3. 0.1-0.15mm kraft paper has high strength bonding.

4. Liner and top grade stadiums can be composited with kraft paper.

There are two processes for covering kraft paper on the surface of aluminium roll:

First: The kraft paper used on the surface is self-adhesive bonded by glue, which has the advantages of high production efficiency, timely delivery and low production cost.

Two: The kraft paper and aluminium roll are bonded together by heating.

After covering kraft paper, the aluminium roll can be further processed to make embossed aluminium roll.

Parameter

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